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A226757 a(n) = number of distinct quadruples of squares modulo n. 0
1, 16, 16, 16, 81, 256, 256, 81, 256, 1296, 1296, 256, 2401, 4096, 1296, 256, 6561, 4096, 10000, 1296, 4096, 20736, 20736, 1296, 14641, 38416, 14641, 4096, 50625, 20736, 65536, 2401, 20736, 104976, 20736, 4096, 130321, 160000, 38416, 6561, 194481, 65536 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
a(n) = A000224(n)^4. - Andrew Howroyd, Aug 06 2018
CROSSREFS
Sequence in context: A192632 A305945 A010855 * A248764 A238409 A040241
KEYWORD
nonn,mult
AUTHOR
EXTENSIONS
Name corrected by Andrew Howroyd, Aug 06 2018
STATUS
approved

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Last modified March 2 20:50 EST 2024. Contains 370498 sequences. (Running on oeis4.)